package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {
//    //查询总记录数
//    @Select("select count(*) from emp")
//    public Long count();
//
//    //分页查询，获取数据列表
//    @Select("select  *  from emp limit #{start},#{pageSize};")
//    public List<Emp> page(Integer start,Integer pageSize);

//    //员工信息查询
//    @Select("select * from emp")
//    public List<Emp> list();

      //员工信息条件查询
      public List<Emp> list(String name, Short gender, LocalDate begin,LocalDate end);

      //批量删除员工
      void delete(List<Integer> ids);

      //新增员工
      @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
              "value (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
      void insert(Emp emp);

      //根据id查询员工
      @Select("select * from emp where id=#{id};")
      Emp selectById(Integer id);

      //修改员工信息
      void update(Emp emp);

      //登录信息
      @Select("select * from emp where username=#{username} and password =#{password}")
      Emp getByUsernameAndPassword(Emp emp);

      //根据部门ID删除该部门下的员工数据
      @Delete("delete from emp where dept_id = #{deptId}")
      void deleteByDeptId(Integer deptId);
}

